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Learning Nonparametric Priors from Multiple Tasks
Published on Feb 25, 20074384 Views
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Chapter list
Learning Nonparamatric Priors from Multiple Tasks00:00
Multi-Task Learning00:42
A Ranking Problem01:44
A Multi-Task Ranking Problem02:22
Multi-Task Ranking Problem03:26
Outline04:13
Ranking Problem04:41
Ordinal Regression06:24
One-task vs Multi-task07:29
Outline08:44
Bayesian Ordinal Regression09:04
Graphical Model10:49
Ranking Likelihood (1)11:55
Ranking Likelihood (2)12:46
Outline13:45
Multi-Task Setting?13:53
Bayesian Ordinal Regression15:00
Multi-Task Setting?15:35
Collaborative Ordinal Regression16:31
COR: The Model17:56
COR: Graphical Model18:35
COR: The Key Points19:22
Toy Problem (GPR Model)20:57
Learning23:35
E-step25:21
Learning26:55
Ranking Likelihood (1)27:15
Ranking Likelihood (2)27:28
E-step28:28
M-step29:09
Inference30:32
Inductive Inference32:34
Inductive Inference (Cont.)34:07
Outline35:04
Experiments35:06
Comparison Metrics36:20
Results - MovieLens38:07
Results - EachMovie41:41
New Ranking Functions 42:42
Observations43:47
Multi-label Text Categorization44:25
Multi-label Text Categorization45:09
Outline45:26
Conclusion45:29
Extensions45:49
Related Work: Multi-Task Learning47:12
Related Work: Rank Learning47:22
Thanks!47:33